<template>
    <div class='user-profile-page'>
      <van-nav-bar left-arrow @click-left="$router.back()" title="个人信息"></van-nav-bar>
      <van-cell-group>
        <van-cell is-link title="头像" center  @click="showPhoto=true">
          <van-image
            slot="default"
            fit="cover"
            round
            :src="user.photo"
          />
        </van-cell>
        <van-cell is-link title="昵称" @click="openNamePopup()" :value="user.name||'未填写'" />
      </van-cell-group>
      <van-cell-group style="margin-top:12px">
        <van-cell is-link title="性别" @click="showGender=true" :value="user.gender===0?'男':'女'" />
        <van-cell is-link title="生日" @click="openBirthdayPopup" :value="user.birthday||'未填写'" />
      </van-cell-group>
      <div class="logout">
        <span @click="logout">退出登录</span>
      </div>

      <van-action-sheet
      v-model="showPhoto"
      :actions="[{ name: '拍照', value: 0 },{ name: '本地选择', value: 1 }]"
      @select="onPhotoSelect"
      cancel-text="取消"
    />

    <input @change="updatePhoto" type="file" ref="file" style="display:none">

      <!-- 修改昵称 -->
      <van-popup class="my-popup" v-model="showName" position="right">
      <van-nav-bar
        left-arrow
        @click-left="showName=false"
        right-text="保存"
        title="修改昵称"
        @click-right="saveName()"
      />
      <van-field v-model="name"></van-field>
    </van-popup>

        <!-- 修改性别 -->
        <van-action-sheet
      v-model="showGender"
      :actions="[{ name: '男', value: 0 }, { name: '女', value: 1 }]"
      @select="saveGender"
      cancel-text="取消"
    />

        <!-- 修改生日 -->
        <van-popup v-model="showBirthday" position="bottom">
      <van-datetime-picker
        v-model="birthday"
        type="date"
        title="选择年月日"
        :min-date="minDate"
        :max-date="maxDate"
        @cancel="showBirthday=false"
        @confirm="saveBirthday"
      />
    </van-popup>
    </div>
  </template>
<script>
import { getUserProfile, updateUserPhoto, updateUser } from '@/api/user'
import dayjs from 'dayjs'
export default {
  name: 'UserProfilePage',
  data () {
    return {
      user: {},
      showPhoto: false,
      showName: false,
      name: '',
      showGender: false,
      // 修改生日
      showBirthday: false,
      birthday: new Date(),
      minDate: new Date('1960-01-01'),
      maxDate: new Date()
    }
  },
  created () {
    this.getUserProfile()
  },
  methods: {
    async getUserProfile () {
      const [, res] = await getUserProfile()
      this.user = res.data.data
    },
    logout () {
      this.$dialog.confirm({
        title: '温馨提示',
        message: '您确认退出极客园吗？',
        theme: 'round-button'
      }).then(() => {
        this.$store.commit('user/setToken', '')
        this.$store.commit('user/setRefreshToken', '')
        this.$router.push('/')
        this.$toast.success('退出登录')
      }).catch(() => {})
    },
    onPhotoSelect (item) {
      if (item.value === 1) {
        // 本地选择
        this.$refs.file.click()
        this.showPhoto = false
      }
    },
    // 修改头像
    async updatePhoto () {
      // 选择图片后的文件信息对象
      const file = this.$refs.file.files[0]
      // 打开资源管理器，不选选图片，点击取消 file 是空的
      if (file) {
        // 上传图片
        // 1. 包装一个formData对象，字段名字photo指向的是选择的图片
        const formData = new FormData()
        formData.append('photo', file)
        // 2. 调用API接口
        const [err, res] = await updateUserPhoto(formData)
        if (err) return this.$toast.fail('修改失败')
        // 3. 显示上传成功的头像，成功提示
        this.user.photo = res.data.data.photo
        console.log(this.user.photo)
        this.$toast.success('修改成功')
      }
    },
    // 打开修改名称弹出框
    openNamePopup () {
      this.showName = true
      this.name = this.user.name
    },
    // 保存昵称
    async saveName () {
      if (!this.name) return this.$toast('请输入昵称')
      const [err] = await updateUser({ name: this.name })
      if (err) return this.$toast.fail('更新失败')
      // 更新单元格中的昵称
      this.user.name = this.name
      this.showName = false
      this.$toast.success('更新成功')
    },
    // 修改用户性别
    async saveGender (item) {
      const [err] = await updateUser({ gender: item.value })
      if (err) return this.$toast.fail('更新失败')
      this.user.gender = item.value
      this.showGender = false
      this.$toast.success('更新成功')
    },
    // 打开日期选择器
    openBirthdayPopup () {
      this.showBirthday = true
      // 给日期控件赋值，当前用户的生日
      this.birthday = new Date(this.user.birthday)
    },
    // 修改用户生日
    async saveBirthday () {
      // 转换格式
      const date = dayjs(this.birthday).format('YYYY-MM-DD')
      const [err] = await updateUser({ birthday: date })
      if (err) return this.$toast.fail('更新失败')
      this.user.birthday = date
      this.showBirthday = false
      this.$toast.success('更新成功')
    }
  }
}
</script>
  <style lang="less" scoped>
  .user-profile-page {
    background: #f8f8f8;
    .van-image {
      display: block;
      float: right;
      width: 30px;
      height: 30px;
    }
    .van-cell__title {
      width: 50px;
      flex: none;
    }
  }
  .logout {
    text-align: center;
    position: absolute;
    left: 0;
    bottom: 30px;
    width: 100%;
    color: @geek-color;
  }

  .my-popup {
  width: 100%;
  height: 100%;
  /deep/ .van-nav-bar__text {
    color: @geek-color;
  }
  /deep/ .van-field__control {
    background: @geek-gray-color;
    padding: 10px;
    border-radius: 4px;
  }
}
  </style>
